CVEvulnerability
CVE-2026-4688
10.0 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2026-03-24
- Last modified
- 2026-07-15
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 10.0 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 9.6 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
- CVSS 3.1 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c)
- 7.5 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-416, CWE-825
Description
Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
Affected configurations
• mozilla firefox (< 140.9.0)
• mozilla firefox (< 149.0)
Related
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=2016373 Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2026-20/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2026-22/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2026-23/ www.mozilla.org
- https://www.mozilla.org/security/advisories/mfsa2026-24/ www.mozilla.org
- https://access.redhat.com/errata/RHSA-2026:5930 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:5931 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:5932 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:6188 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:6342 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:6917 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:7837 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:7838 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:7839 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:7840 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:7841 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:7842 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:7843 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:7845 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:7858 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:8284 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:8285 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:8286 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:8287 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:8288 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:8289 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:8290 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:8315 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:8427 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:8850 access.redhat.com
- https://access.redhat.com/security/cve/CVE-2026-4688 access.redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2450713 bugzilla.redhat.com
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-4688.json security.access.redhat.com